Question: Water is flowing down a cylindrical pipe of radius r.
(a) Write a formula for the volume, V, of water that emerges from the end of the pipe in one second if the water is flowing at a rate of
(i) 3 cm/sec
(ii) k cm/sec
(b) Graph your answer to part (a)(ii) as a function of
(i) r, assuming k is constant
(ii) k, assuming r is constant